What this means
The IEEE assigned the MA-L block 0013FB to RKC INSTRUMENT INC.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:13:FB, it is RKC INSTRUMENT INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 0013FB?
0013FB is registered to RKC INSTRUMENT INC. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. RKC INSTRUMENT INC.'s block covers 16,777,216 addresses.
What devices use 0013FB?
Any network device with a MAC address starting 00:13:FB was manufactured by or for RKC INSTRUMENT INC..